case class Constraint[-T](name: Option[String], args: Seq[Any])(f: (T) => ValidationResult) extends Product with Serializable
A form constraint.
- T
type of values handled by this constraint
- name
the constraint name, to be displayed to final user
- args
the message arguments, to format the constraint name
- f
the validation function
- Source
- Validation.scala
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Instance Constructors
- new Constraint(name: Option[String], args: Seq[Any])(f: (T) => ValidationResult)
- name
the constraint name, to be displayed to final user
- args
the message arguments, to format the constraint name
- f
the validation function
Value Members
- final def !=(arg0: Any): Boolean
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- final def ##(): Int
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- final def ==(arg0: Any): Boolean
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- def apply(t: T): ValidationResult
Run the constraint validation.
Run the constraint validation.
- t
the value to validate
- returns
the validation result
- val args: Seq[Any]
- final def asInstanceOf[T0]: T0
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- val name: Option[String]
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- def productElementNames: Iterator[String]
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